Not SVO. Not ST. Not "Mustang Turbo," probably because it's made by Ford and not Dodge circa 1986. We have a name for the turbocharged four-cylinder 2015 Ford Mustang, and it is "Mustang EcoBoost." And we have more details on the options you can order across all trim levels.

This information comes to us from the Mustang6G forum, which today posted the order guides for the 2015 'Stang's three trim levels. As anticipated, the base car gets a V6, the EcoBoost is the mid-level model model with a 2.3-liter turbo engine, and the top Mustang is the GT with the 5.0-liter V8.

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Unfortunately, there's still no official word on power, torque or fuel economy numbers for any of these cars. Bummer. We'll have to wait a while for those.

Personally, I'm not crazy about calling the turbo model the Mustang EcoBoost. I was kind of hoping for ST myself because it fits with the hopped-up Fiesta and Focus and kind of sounds like GT, but it's good for marketing, so whatever.

The order guide has a ton of info about the various options you can get on each car. The EcoBoost Performance Package, which we learned about a few weeks back, gets an larger rear sway bar, unique chassis tuning, larger brakes, a bigger radiator, summer performance tires and a 3.55 limited slip rear axle.

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The GT Performance Package has many of those things and more, like Brembo brakes, a 3.73 TORSEN rear axle, and unique stability control and ABS tuning.

Interestingly, there doesn't seem to be a Performance Package, Premium Package or 50th Anniversary Appearance Package on the V6 Mustang, at least not at the moment. Ford must really want to push the EcoBoost as the sub-V8 go-fast model now.

Feel free to take a look at the order guide at Mustang6G and tell us if you see any other interesting tidbits.